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Deffense [45]
3 years ago
12

Two of the nitrogen bases are single ring structures known as

Biology
1 answer:
Blizzard [7]3 years ago
4 0
Single ring structures known as pyrimidines
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A funnel-shaped passageway connecting the nasal and oral cavities to the "voice box".
posledela

Answer:

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The pharynx is a tubular organ that begins in the funnel-shaped neck down the neck, extending from 12 to 15 cm in length and about 35 mm at its onset and about 15 mm at the end. its ending. It has communication with the esophagus, nasal passages and the ears. The pharynx is located behind the nasal passages and in front of the cervical vertebrae, remains attached to the larynx and esophagus.

Simply put, we can say that the pharynx is a funnel-shaped passageway that connects the nasal and oral cavities to the "voice box," also known as the larynx.

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